20246499

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 16444701

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 413, 419, 531, 767, 819, 1239, 1257, 2301, 2933, 3717, 3771, 5369, 5447, 6903, 8799, 16107, 16341, 24721, 26397, 38129, 48321, 49023, 74163, 114387, 173047, 222489, 321373, 343161, 519141, 964119, 1557423, 2249611, 2892357, 6748833, 20246499]

約数ペア:

[(1, 20246499), (3, 6748833), (7, 2892357), (9, 2249611), (13, 1557423), (21, 964119), (39, 519141), (59, 343161), (63, 321373), (91, 222489), (117, 173047), (177, 114387), (273, 74163), (413, 49023), (419, 48321), (531, 38129), (767, 26397), (819, 24721), (1239, 16341), (1257, 16107), (2301, 8799), (2933, 6903), (3717, 5447), (3771, 5369)]